SOLUTION: Find out in how many ways the operation can be performed? (Permutation & Combination)?
i) In how many ways can a committee of 5 or more be formed from 12 persons?
ii) In how
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-> SOLUTION: Find out in how many ways the operation can be performed? (Permutation & Combination)?
i) In how many ways can a committee of 5 or more be formed from 12 persons?
ii) In how
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Question 867220: Find out in how many ways the operation can be performed? (Permutation & Combination)?
i) In how many ways can a committee of 5 or more be formed from 12 persons?
ii) In how many ways can a committee of 5 be formed from 12 persons if only two of a group of 3 persons must always be included?
All I know is it must be combination cause order/arrangement does not matter.
I know to solve by formula too; but confused how to begin. Help... Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Find out in how many ways the operation can be performed? (Permutation & Combination)?
i) In how many ways can a committee of 5 or more be formed from 12 persons?
Ans: 12C5 + 12C6 + 12C7 + ... + 12C12
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ii) In how many ways can a committee of 5 be formed from 12 persons if only two of a group of 3 persons must always be included?
Ans: 3C2*9C3 = 3*84 = 252
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Cheers,
Stan H.
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